Question: What is the name of the capital of Estonia whose first letter is T ?
Paraphrase: What is the identify of the capital of Estonia whose first letter is T ?
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q5119 . ?sbj wdt:P1376 wd:Q191 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 't')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: Tallinn, Tallinn